Caliber: 9mm, 38 Super, 40 S&W, 10mm Auto, or 45 Auto. Capacity: 17-round (9mm) magazine. Barrel: 4.7”. Sights: Adj. rear, post front or optics-ready. Features: Semi-automatic, double-action/single-action, steel frame, chrome finish, lightened slide, aluminum grips, mag well.